Article Detail Which is the longest wall in world ? Answer: Great wall of China Similar Questions : 1. Which is the longest road in India ? Answer: Grand Trunk Road (2500 Km) 2. Which is the longest rail tunnel in India ? Answer: Pir Panjal (J&k, 11215 metre) 3. Which is the largest desert in India ? Answer: Thar (Rajasthan) 4. Which is Largest library in the world ? Answer: United State Library of Congress, Washington D.C. 5. Which is Largest forest state of India ? Answer: M.P. 6. Which is largest Creature in world ? Answer: Blue Whale 7. Which is the longest wall in world ? Answer: Great wall of China Read more from - Longest and Largest